diff --git a/examples/companion_radio/main.cpp b/examples/companion_radio/main.cpp
index 255a05c9..1fc8982d 100644
--- a/examples/companion_radio/main.cpp
+++ b/examples/companion_radio/main.cpp
@@ -64,7 +64,7 @@
   #include <helpers/CustomSX1262Wrapper.h>
   #include <helpers/CustomSX1268Wrapper.h>
   static XiaoC3Board board;
-#elif defined(SEEED_XIAO_S3)
+#elif defined(SEEED_XIAO_S3) || defined(LILYGO_T3S3)
   #include <helpers/ESP32Board.h>
   #include <helpers/CustomSX1262Wrapper.h>
   static ESP32Board board;
@@ -110,6 +110,7 @@ static uint32_t _atoi(const char* sp) {
 #define RESP_CODE_SENT              6   // reply to CMD_SEND_TXT_MSG
 #define RESP_CODE_CONTACT_MSG_RECV  7   // a reply to CMD_SYNC_NEXT_MESSAGE
 #define RESP_CODE_CHANNEL_MSG_RECV  8   // a reply to CMD_SYNC_NEXT_MESSAGE
+#define RESP_CODE_CURR_TIME         9   // a reply to CMD_GET_DEVICE_TIME
 
 // these are _pushed_ to client app at any time
 #define PUSH_CODE_ADVERT            0x80
@@ -174,9 +175,9 @@ class MyMesh : public BaseChatMesh {
           success = success && (file.read((uint8_t *) &c.out_path_len, 1) == 1);
           success = success && (file.read((uint8_t *) &c.last_advert_timestamp, 4) == 4);
           success = success && (file.read(c.out_path, 64) == 64);
-          success = success && (file.read((uint8_t *) c.lastmod, 4) == 4);
-          success = success && (file.read((uint8_t *) c.gps_lat, 4) == 4);
-          success = success && (file.read((uint8_t *) c.gps_lon, 4) == 4);
+          success = success && (file.read((uint8_t *) &c.lastmod, 4) == 4);
+          success = success && (file.read((uint8_t *) &c.gps_lat, 4) == 4);
+          success = success && (file.read((uint8_t *) &c.gps_lon, 4) == 4);
 
           if (!success) break;  // EOF
 
@@ -562,7 +563,7 @@ public:
       writeOKFrame();
     } else if (cmd_frame[0] == CMD_GET_DEVICE_TIME) {
       uint8_t reply[5];
-      reply[0] = RESP_CODE_OK;
+      reply[0] = RESP_CODE_CURR_TIME;
       uint32_t now = getRTCClock()->getCurrentTime();
       memcpy(&reply[1], &now, 4);
       _serial->writeFrame(reply, 5);
diff --git a/platformio.ini b/platformio.ini
index ae984df7..f6734c52 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -297,6 +297,35 @@ lib_deps =
   adafruit/RTClib @ ^2.1.3
   densaugeo/base64 @ ~1.4.0
 
+[env:LilyGo_T3S3_sx1262_companion_radio_usb]
+extends = LilyGo_T3S3_sx1262
+build_flags =
+  ${LilyGo_T3S3_sx1262.build_flags} 
+  -D MAX_CONTACTS=100
+  -D MAX_GROUP_CHANNELS=1
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+build_src_filter = ${LilyGo_T3S3_sx1262.build_src_filter} +<../examples/companion_radio/main.cpp>
+lib_deps =
+  ${LilyGo_T3S3_sx1262.lib_deps}
+  adafruit/RTClib @ ^2.1.3
+  densaugeo/base64 @ ~1.4.0
+
+[env:LilyGo_T3S3_sx1262_companion_radio_ble]
+extends = LilyGo_T3S3_sx1262
+build_flags =
+  ${LilyGo_T3S3_sx1262.build_flags} 
+  -D MAX_CONTACTS=100
+  -D MAX_GROUP_CHANNELS=1
+  -D BLE_PIN_CODE=123456
+  -D BLE_DEBUG_LOGGING=1
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+build_src_filter = ${LilyGo_T3S3_sx1262.build_src_filter} +<helpers/esp32/*.cpp> +<../examples/companion_radio/main.cpp>
+lib_deps =
+  ${LilyGo_T3S3_sx1262.lib_deps}
+  adafruit/RTClib @ ^2.1.3
+  densaugeo/base64 @ ~1.4.0
 
 ; ----------------- NRF52 ---------------------
 [nrf52_base]
diff --git a/src/helpers/ArduinoSerialInterface.h b/src/helpers/ArduinoSerialInterface.h
index e7794ee0..bef7bdf2 100644
--- a/src/helpers/ArduinoSerialInterface.h
+++ b/src/helpers/ArduinoSerialInterface.h
@@ -8,13 +8,21 @@ class ArduinoSerialInterface : public BaseSerialInterface {
   uint8_t _state;
   uint16_t _frame_len;
   uint16_t rx_len;
+#ifdef LILYGO_T3S3
+  HWCDC* _serial;
+#else
   HardwareSerial* _serial;
+#endif
   uint8_t rx_buf[MAX_FRAME_SIZE];
 
 public:
   ArduinoSerialInterface() { _isEnabled = false; _state = 0; }
 
+#ifdef LILYGO_T3S3
+  void begin(HWCDC& serial) { _serial = &serial; }
+#else
   void begin(HardwareSerial& serial) { _serial = &serial; }
+#endif
 
   // BaseSerialInterface methods
   void enable() override;